Warmbier, an American university student, was visiting North Korea as a tourist when he was arrested in 2016 and sentenced to 15 years of hard labor for stealing a propaganda poster. Warmbier died on June 19, six days after returning to the United States in a coma.

— Paul Vernon / AFP - Getty Images

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Mourners line up outside the art center of Wyoming High School before the funeral service.

— John Sommers II / Reuters

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Fred and Cindy Warmbier, parents to Otto, greet guests during the funeral.

— Bill Pugliano / Getty Images

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Mourners stand outside the art center before the funeral.

— John Sommers II / Reuters

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Some of Otto's belongings, including the jacket he wore when delivering his forced confession, are displayed at the funeral service.

— Courtesy of the Warmbier Family

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Mourners write in the guest book at the funeral.

— Courtesy of The Warmbier Family

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Family and friends listen to speakers at the funeral.

— Courtesy of The Warmbier Family

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Fred and Cindy Warmbier watch as their son's coffin is placed in a hearse after his funeral.

— Bryan Woolston / AP

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Mourners line the street as the funeral procession drives by.

— Bryan Woolston / AP

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Locals offer words of support along the street after the funeral.

— Bryan Woolston / AP

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Mourners pay their respects along street as the funeral procession passes.